1. Test Purpose
Power Supply for Thermal Cycle and Humidity-Freeze Testing is to simulate of the effect of long-term expansion and contraction of photovoltaic modules on welding performance.

2.Test Standards:
Test Standard Testing Method
IEC61215-2 MQT 11 Thermal cycling test
IEC61215-2 MQT 12 Humidity-freeze test
IEC61730-2 MST 51 Thermal cycling test
IEC61730-2 MST 52 Humidity-freeze test

3. Main Technical Parameter
Input voltage 3 Phase 380VAC ±15%
Input frequency 47~63Hz
Output voltage 0~100V (Could customize) resolution ratio: 0.01V
Output electric current 0~30A (Could customize) resolution ratio:0.001A
Output power 3000W (Could customize)
Output Current accuracy 0.1%+5mA
Output voltage
accuracy 0.1%+5mV
Output efficiency ≥90%( Standard ac input、full load)

4.Product Feature
- Current and temperature relationship customized
- System is equipped with communication port connected
with environmental chamber
- Temperature channel and current channel are freely combined
- The control software is independently developed by factory and
supports custom development